Stanley 25ft. and 30ft. Powerlock Tape Measure Combo Pack. Stanley 33-425 PowerLock 25' and 33-430 30' measuring tape rule combo pack ensures precise measurements and long-lasting durability. With a Tru-Zero end hook, a Mylar-coated blade and a secure blade lock. Corrosion-resistant Tru-Zero end hook for accurate measurements. 16" and 19.2" stud center markings simplify framing jobs. Secure blade lock won't creep during measurements. Chrome high-impact ABS case is job site tough. Mylar polyester film extends life of entire blade. 7' blade standout.